The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 1979
Filed:
Sep. 29, 1977
Applicant:
Inventors:
Tadahiko Miyoshi, Hitachi, JP;
Yasutoshi Kurihara, Katsuta, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 19 ; 357 17 ; 357 65 ; 357 68 ; 357 67 ; 357 75 ; 427 82 ; 250551 ;
Abstract
A photocoupler wherein a semiconductor photo-responsive element and a semiconductor light emitting element are arranged on an insulating substrate in such a mannner that they oppose each other with a P-N junction of the latter being perpendicular to a light receiving face of the former. At least one of the elements is connected with electric wiring on the insulating substrate by the use of a brazing material at three or more points which lie on an identical plane of the insulating substrate but do not lie on one straight line.